







Rockford Fosgate Punch P500X1bd
Punch Series 500W Mono subwoofer amplifier
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Rockford Fosgate P500X1BD: 500-Watt Class BD Mono Amplifier for Powerful Bass
Unleash the full potential of your subwoofer with the Rockford Fosgate P500X1BD, a high-powered Class BD mono amplifier engineered for deep, impactful bass performance. Designed with efficient power delivery and advanced tuning controls, this amp provides exceptional clarity, strong output, and minimal distortion—perfect for audiophiles and bass enthusiasts looking to upgrade their car audio system.
High-Efficiency Class BD Technology
The P500X1BD utilizes Class BD amplifier technology, combining the efficiency of Class D with the sound quality of Class B. This design delivers powerful bass with less heat generation and higher output efficiency, ensuring consistent, distortion-free performance even at high volume levels.
True 500-Watt RMS Power Output
With a 500-watt RMS rating at 1 ohm, the P500X1BD can drive high-performance subwoofers with depth and precision. Power ratings include:
- 500W RMS @ 1 ohm
- 300W RMS @ 2 ohms
- 175W RMS @ 4 ohms
This flexibility allows you to configure your system for optimal bass response, whether you're running a single or dual subwoofer setup.
Advanced Bass Control & Tuning Features
The integrated Punch EQ bass boost allows up to +18dB of enhancement, letting you customize your sound to your liking. Adjustable low-pass crossover and subsonic filter provide precise tuning, ensuring tight, clean bass without distortion.
Durable & Efficient Design
Built with a high-quality aluminum heat sink and MEHSA3™ cooling system (Maximum Efficiency Heat Sink Application), this amplifier remains cool under pressure. The proprietary C.L.E.A.N. technology (Calibrated Level Eliminates Audible Noise) ensures accurate gain setup and minimizes distortion for crystal-clear sound.
Key Features
- Class BD Amplification: High efficiency with reduced heat generation.
- 500-Watt RMS Output: Powerful and distortion-free bass at 1 ohm.
- Punch EQ Bass Boost: Up to +18dB of enhanced bass response.
- C.L.E.A.N. Setup System: Simplifies gain adjustment for optimal performance.
- MEHSA3™ Cooling: Prevents overheating during extended use.
- Variable Low-Pass Crossover & Subsonic Filter: Tailored bass frequency control.
- Aluminum Heat Sink: Durable, efficient heat dissipation.
- Compact Design: Ideal for flexible mounting in tight spaces.
What's in the Box
- Rockford Fosgate P500X1BD Mono Amplifier
- Power & Ground Terminal Screws
- Speaker Output Terminals
- Optional Remote Bass Level Control (Sold Separately)
- Mounting Brackets & Screws
- User Manual & Installation Guide
Why Choose the Rockford Fosgate P500X1BD?
The P500X1BD is perfect for those seeking powerful, efficient, and distortion-free bass. With its advanced technology, precise tuning features, and durable build, this amp is a top-tier solution for serious car audio enthusiasts looking to maximize their subwoofer’s performance.
Frequently Asked Questions
Q: What is the power output of the P500X1BD?
A: 500W RMS @ 1 ohm, 300W RMS @ 2 ohms, and 175W RMS @ 4 ohms.
Q: Does this amplifier include a bass knob?
A: It’s compatible with the Rockford Fosgate Punch Level Control (PLC2), which is sold separately.
Q: Can this amp run multiple subwoofers?
A: Yes, as long as the final load impedance stays within 1 to 4 ohms.
Q: Does it have a built-in crossover?
A: Yes, it includes an adjustable low-pass crossover and subsonic filter for accurate bass control.
Q: Will it overheat with extended use?
A: No, the MEHSA3™ cooling system and aluminum heat sink ensure efficient heat management, even under heavy use.

FAQ
Do products purchased from San Diego Car Stereo come with a warranty?
Yes, all products come with a 1-year manufacturer warranty unless otherwise stated. This covers any defects excluding physical damage.
Are these products brand new?
Yes, every product we sell is 100% brand new, unused, and comes in original manufacturer packaging unless clearly marked otherwise.
Do you offer installation services?
Yes, we offer professional installation services at both of our San Diego Car Stereo locations. Our expert technicians have over 50 years of combined experience to install all of your car, marine, or offroad audio needs. Stop by or give us a call to schedule an appointment to get a quote in person.